plat/arm/css/sgi/sgi_interconnect.c

   1 /*
   2  * Copyright (c) 2018, ARM Limited and Contributors. All rights reserved.
   3  *
   4  * SPDX-License-Identifier: BSD-3-Clause
   5  */
   6
   7 #include <arch_helpers.h>
   8 #include <common/debug.h>
   9
  10 /*
  11  * For SGI575 which support FCM (with automatic interconnect enter/exit),
  12  * we should not do anything in these interface functions.
  13  * They are used to override the weak functions in cci drivers.
  14  */
  15
  16 /******************************************************************************
  17  * Helper function to initialize ARM interconnect driver.
  18  *****************************************************************************/
  19 void __init plat_arm_interconnect_init(void)
  20 {
  21 }
  22
  23 /******************************************************************************
  24  * Helper function to place current master into coherency
  25  *****************************************************************************/
  26 void plat_arm_interconnect_enter_coherency(void)
  27 {
  28 }
  29
  30 /******************************************************************************
  31  * Helper function to remove current master from coherency
  32  *****************************************************************************/
  33 void plat_arm_interconnect_exit_coherency(void)
  34 {
  35 }